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Pfizer CEO says third COVID booster shot 'likely' needed within a year of getting vaccinated - Chicago Tribune

Pfizer CEO says third COVID booster shot 'likely' needed within a year of getting vaccinated - Chicago Tribune

Pfizer CEO says third COVID booster shot 'likely' needed within a year of getting vaccinated - Chicago Tribune
Apr 15, 2021 18 secs

Moderna, the competitor whose vaccine uses a similar so-called messenger RNA platform as Pfizer’s, has also said it’s testing booster shots.

Pfizer says the vaccine is about 90% effective at preventing serious illness from COVID-19.

Tens of millions of Americans have already received one or both doses of the Pfizer vaccine, meaning it has already likely saved untold thousands of lives.

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